CN110853787B - Special-purpose flexible shielding device for large-thickness titanium alloy disk ray detection scattered ray - Google Patents
Special-purpose flexible shielding device for large-thickness titanium alloy disk ray detection scattered ray Download PDFInfo
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- CN110853787B CN110853787B CN201911170368.1A CN201911170368A CN110853787B CN 110853787 B CN110853787 B CN 110853787B CN 201911170368 A CN201911170368 A CN 201911170368A CN 110853787 B CN110853787 B CN 110853787B
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- Prior art keywords
- elastic rubber
- shielding device
- titanium alloy
- rubber hose
- thickness
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
- G21F1/08—Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a special flexible shielding device for detecting scattered rays of a large-thickness titanium alloy disk, which is used for calculating the inner cavity volume of each elastic rubber hose according to the length of the elastic rubber hose and filling equivalent metal powder; sealing the two ends of the elastic rubber hose by using a metal seal head; placing a plurality of elastic rubber hoses side by side, and fixing the elastic rubber hoses through dispensing; the plastic rods are vertically arranged on the elastic rubber hose combination through dispensing, and five equal parts of the plastic rods are uniformly distributed according to the length of the elastic rubber hose to form a scattered ray shielding device; the loose ray shielding device can be used for tightening the outer ring of the titanium alloy disc with large thickness through the combination of the elastic bandages; the scattered ray shielding device is enclosed on the inner ring of the titanium alloy disk with large thickness, and the scattered ray shielding device can be expanded to the inner ring by inflating the columnar balloon. The technical scheme of the invention avoids the defect omission of the edge corrosion area, reduces reworking transillumination caused by unqualified imaging, and improves the detection efficiency.
Description
Technical Field
The invention relates to the technical fields of ray film detection and digital detection of titanium alloy discs with different curvatures and large thickness, in particular to a special flexible shielding device for scattered ray detection of the titanium alloy discs with large thickness.
Background
In the radiation detection process of the titanium alloy disk with large thickness, the radiation energy used for transillumination is high and side scattered radiation is serious due to the fact that the workpiece is large in thickness, and the obtained detection negative film or digital detection image has side erosion of a large area, the image contrast of the side erosion area is reduced, and defect detection is seriously affected. In general, a lead shielding method is often adopted to reduce side scattered rays, namely a lead plate with proper thickness is used for shielding a workpiece, two problems exist for a titanium alloy part, namely lead and the titanium alloy part are not allowed to be in direct contact, and the lead plate is poor in fit with an inner arc surface and an outer arc surface of a titanium alloy disc, more gaps exist, and the shielding effect is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides a special flexible shielding device for detecting scattered rays of a large-thickness titanium alloy disk, which comprises the following specific technical scheme:
a special flexible shielding device for detecting scattered rays of a large-thickness titanium alloy disk comprises metal powder, an elastic rubber hose, a metal seal head, a plastic rod, an elastic bandage and a column balloon;
calculating the inner cavity volume of each elastic rubber hose according to the length of the elastic rubber hose, and filling the same amount of metal powder;
sealing the two ends of the elastic rubber hose by using a metal seal head;
placing a plurality of elastic rubber hoses side by side, and fixing the elastic rubber hoses through dispensing;
the plastic rods are vertically placed on the elastic rubber hose combination through dispensing, and are adhered to the same side of the hose to be used as reinforcing ribs;
five equal parts are uniformly distributed on the plastic rod according to the length of the elastic rubber hose, and the elastic rubber hose with the metal sealing heads at the two ends is combined to form a scattered ray shielding device;
the scattered ray shielding device is enclosed on the outer ring of the large-thickness titanium alloy disc, and the two ends of the scattered ray shielding device are connected to form a ring through an elastic bandage, so that the outer ring of the large-thickness titanium alloy disc can be tightened;
the scattered ray shielding device is surrounded on the inner ring of the titanium alloy disc with large thickness, the columnar balloon is placed on the inner ring, and the scattered ray shielding device can be expanded to the inner ring by inflating the columnar balloon.
The flexible shielding device special for the radiation detection of the large-thickness titanium alloy disk is preferably FGH741 metal powder with the granularity of 0.05-0.35 mm.
The flexible shielding device special for the radiation detection of the large-thickness titanium alloy disc is characterized in that the elastic rubber hose is an elastic rubber hose with the diameter of phi 6, the wall thickness of 0.3mm and the length of 100-300 mm.
The flexible shielding device special for the radiation detection of the large-thickness titanium alloy disk is characterized in that the metal end socket is hemispherical with the diameter phi 6.
The flexible shielding device special for the radiation detection of the large-thickness titanium alloy disc has the preferable scheme that the diameter of the plastic rod is phi 1mm, and the length of the plastic rod is 30-60 mm.
The flexible shielding device special for the radiation detection of the titanium alloy disk with large thickness has the preferable scheme that the combination width of a group of radiation shielding devices is 30-60 mm.
The application method of the flexible shielding device special for the radiation detection of the large-thickness titanium alloy disk comprises the following steps: when detecting a part, a plurality of shielding devices are used for butt joint and paved on the side surface of a part to be detected, if the side surface of the whole part cannot cover a shielding area due to unsuitable size, a plurality of sealing hoses filled with metal powder can be used for vertically placing the sealing hoses to fill gaps, the number of the hoses to be used is specifically converted according to the thickness of titanium alloy in the detection area and the radiation attenuation coefficient of titanium alloy and FGH741 to obtain the thickness and the height of the shielding devices to be required, and when combined shielding is carried out, an elastic bandage is used for shielding an outer circle to tighten the paved shielding devices; the cylindrical balloon is used for shielding the inner circle, the shielding device is tightly supported, and then the shielding device can play a good shielding role when the ray detection is carried out.
The invention has the beneficial effects that: according to the technical scheme, the elastic rubber hose is formed by combining a plurality of small-diameter elastic rubber hoses, so that the surface tension in the numerical direction when the hoses are laid can be effectively reduced, the attaching area of the elastic rubber hoses with the parts in the vertical direction is increased, and on the other hand, the elastic rubber hoses can deform along with the cambered surfaces of the inner and outer circles of the parts, and the attaching degree is ensured; the reinforcing rib plastic rod plays a supporting role under the condition that the horizontal joint of the hose is not affected, and the joint in the vertical direction is ensured, and the elastic bandage and the columnar balloon can apply acting force to the shielding device to strengthen the joint force. Compared with the prior art, lead is not used as a shielding material, so that lead pollution to titanium alloy parts is avoided; the technical scheme of the structure has good flexible laminating performance, can be closely laminated with the shielded parts, reduces shielding gaps, is flexible to combine, and is applicable to scattered ray shielding of titanium alloy discs with different curvatures and different thicknesses. The titanium alloy part is increasingly applied to aeroengines, the quality requirement is also more and more strict, the ray detection is indispensable, the shielding device can shield side scattered rays with high efficiency and high quality, the problem to be solved belongs to commonality in the same industry, and therefore the technology has great popularization and reference value and very wide application prospect.
Drawings
FIG. 1 is a schematic view of a flexible shielding device for scattered radiation;
FIG. 2 is a cut-away view of a metal powder hose;
FIG. 3 is a schematic view of an outer circle shield;
fig. 4 is a schematic view of an inner circular shield.
In the figure, 1-metal powder, a 2-elastic rubber hose, a 3-metal seal head, a 4-plastic rod, 5-dispensing, a 6-elastic bandage and a 7-column balloon.
Detailed Description
According to the figures 1-4, a special radiation detection scattered ray flexible shielding device for a large-thickness titanium alloy disc comprises metal powder 1, an elastic rubber hose 2, a metal sealing head 3, a plastic rod 4, an elastic bandage 6 and a column balloon 7;
calculating the inner cavity volume of each elastic rubber hose 2 according to the length of the elastic rubber hose 2, and filling the same amount of metal powder 1;
sealing both ends of the elastic rubber hose 2 by using the metal cap 3;
a plurality of elastic rubber hoses 2 are placed side by side, and the elastic rubber hoses 2 are fixed through dispensing 5;
the plastic rod 4 is vertically arranged on the elastic rubber hose through dispensing 5, and the plastic rod 4 is bonded on the same side of the hose and used as a reinforcing rib;
the plastic rod 4 is uniformly distributed in five equal parts according to the length of the elastic rubber hose 2, and the elastic rubber hoses with the metal sealing heads at the two ends are combined to form a scattered ray shielding device;
the scattered ray shielding device is enclosed on the outer ring of the large-thickness titanium alloy disc, and the two ends of the loose ray shielding device are connected into a ring shape through the elastic bandage 6, so that the outer ring of the large-thickness titanium alloy disc can be tightened;
the scattered ray shielding device is enclosed in the inner ring of the titanium alloy disc with large thickness, the columnar balloon 7 is placed in the inner ring, and the scattered ray shielding device can be expanded to the inner ring by inflating the columnar balloon 7.
The granularity of the metal powder 1 is FGH741 metal powder of 0.05mm-0.35 mm.
The elastic rubber hose 2 is an elastic rubber hose with the diameter phi 6, the wall thickness 0.3mm and the length 100mm-300 mm.
The metal seal head 3 is hemispherical with the diameter phi 6.
The diameter of the plastic rod 4 is phi 1mm, and the length is 30mm-60mm.
The combined width of a group of scattered ray shielding devices is 30mm-60mm.
The application method of the flexible shielding device special for the radiation detection of the large-thickness titanium alloy disk comprises the following steps: when detecting a part, a plurality of shielding devices are used for butt joint and paved on the side surface of a part to be detected, if the side surface of the whole part cannot cover a shielding area due to unsuitable size, a plurality of sealing hoses filled with metal powder can be used for vertically placing the sealing hoses to fill gaps, the number of the hoses to be used is specifically converted according to the thickness of titanium alloy in the detection area and the radiation attenuation coefficient of titanium alloy and FGH741 to obtain the thickness and the height of the shielding devices to be required, and when combined shielding is carried out, an elastic bandage is used for shielding an outer circle to tighten the paved shielding devices; the cylindrical balloon is used for shielding the inner circle, the shielding device is tightly supported, and then the shielding device can play a good shielding role when the ray detection is carried out.
Claims (6)
1. A flexible shielding device special for radiation detection of a large-thickness titanium alloy disk is characterized by comprising metal powder, an elastic rubber hose, a metal seal head, a plastic rod, an elastic bandage and a column balloon;
calculating the inner cavity volume of each elastic rubber hose according to the length of the elastic rubber hose, and filling the same amount of metal powder;
sealing the two ends of the elastic rubber hose by using a metal seal head;
placing a plurality of elastic rubber hoses side by side, and fixing the elastic rubber hoses through dispensing;
the plastic rods are vertically placed on the elastic rubber hose combination through dispensing, and are adhered to the same side of the hose to be used as reinforcing ribs;
five equal parts are uniformly distributed on the plastic rod according to the length of the elastic rubber hose, and the elastic rubber hose with the metal sealing heads at the two ends is combined to form a scattered ray shielding device;
the scattered ray shielding device is enclosed on the outer ring of the large-thickness titanium alloy disc, and the two ends of the scattered ray shielding device are connected to form a ring through an elastic bandage, so that the outer ring of the large-thickness titanium alloy disc can be tightened;
the scattered ray shielding device is surrounded on the inner ring of the titanium alloy disc with large thickness, the columnar balloon is placed on the inner ring, and the scattered ray shielding device can be expanded to the inner ring by inflating the columnar balloon.
2. The flexible shielding device special for large-thickness titanium alloy disk radiation detection scattered radiation according to claim 1, wherein the granularity of the metal powder is FGH741 metal powder of 0.05mm-0.35 mm.
3. The flexible shielding device special for the radiation detection of the titanium alloy disk with the large thickness according to claim 1, wherein the elastic rubber hose is an elastic rubber hose with the diameter of phi 6, the wall thickness of 0.3mm and the length of 100mm-300 mm.
4. The flexible shielding device special for radiation detection of a titanium alloy disk with large thickness according to claim 1, wherein the metal end enclosure is hemispherical with a diameter phi 6.
5. The flexible shielding device special for the radiation detection of the titanium alloy disk with the large thickness according to claim 1, wherein the plastic rod has the diameter of phi 1mm and the length of 30mm-60mm.
6. A flexible shielding device for radiation detection of large thickness titanium alloy discs according to claim 1, wherein the combined width of a group of the shielding devices is 30mm-60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170368.1A CN110853787B (en) | 2019-11-26 | 2019-11-26 | Special-purpose flexible shielding device for large-thickness titanium alloy disk ray detection scattered ray |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170368.1A CN110853787B (en) | 2019-11-26 | 2019-11-26 | Special-purpose flexible shielding device for large-thickness titanium alloy disk ray detection scattered ray |
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| Publication Number | Publication Date |
|---|---|
| CN110853787A CN110853787A (en) | 2020-02-28 |
| CN110853787B true CN110853787B (en) | 2023-08-11 |
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| CN201911170368.1A Active CN110853787B (en) | 2019-11-26 | 2019-11-26 | Special-purpose flexible shielding device for large-thickness titanium alloy disk ray detection scattered ray |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09318661A (en) * | 1996-05-29 | 1997-12-12 | Nippon Maikuronikusu:Kk | Prober shielding device |
| CN1655284A (en) * | 2004-02-10 | 2005-08-17 | 日本捷力有限公司 | Electromagnetic wave shield gasket and its manufacturing method |
| CN1883013A (en) * | 2003-10-16 | 2006-12-20 | 韩国电子通信研究院 | Electromagnetic shielding material having carbon nanotube and metal as electrical conductor |
| JP2007315843A (en) * | 2006-05-24 | 2007-12-06 | Takenaka Komuten Co Ltd | gamma-RAY SHIELDING PANEL MATERIAL, SEALANT, AND STRUCTURE |
| CN106910544A (en) * | 2017-04-13 | 2017-06-30 | 北京华力兴科技发展有限责任公司 | Outdoor radiation-resistant glass wall and outdoor X-ray or gamma ray inspection system |
| CN209624440U (en) * | 2018-09-28 | 2019-11-12 | 东方电气集团东方锅炉股份有限公司 | For the radiographic X backshield device of small-bore pipe |
-
2019
- 2019-11-26 CN CN201911170368.1A patent/CN110853787B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09318661A (en) * | 1996-05-29 | 1997-12-12 | Nippon Maikuronikusu:Kk | Prober shielding device |
| CN1883013A (en) * | 2003-10-16 | 2006-12-20 | 韩国电子通信研究院 | Electromagnetic shielding material having carbon nanotube and metal as electrical conductor |
| CN1655284A (en) * | 2004-02-10 | 2005-08-17 | 日本捷力有限公司 | Electromagnetic wave shield gasket and its manufacturing method |
| JP2007315843A (en) * | 2006-05-24 | 2007-12-06 | Takenaka Komuten Co Ltd | gamma-RAY SHIELDING PANEL MATERIAL, SEALANT, AND STRUCTURE |
| CN106910544A (en) * | 2017-04-13 | 2017-06-30 | 北京华力兴科技发展有限责任公司 | Outdoor radiation-resistant glass wall and outdoor X-ray or gamma ray inspection system |
| CN209624440U (en) * | 2018-09-28 | 2019-11-12 | 东方电气集团东方锅炉股份有限公司 | For the radiographic X backshield device of small-bore pipe |
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| CN110853787A (en) | 2020-02-28 |
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